Development and application of a catchment scale pesticide fate and transport model for use in drinking water risk assessment

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dc.contributor.authorPullan, S. P.
dc.contributor.authorWhelan, M. J.
dc.contributor.authorRettino, J.
dc.contributor.authorFilby, S.
dc.contributor.authorEyre, I. P.
dc.contributor.authorHolman, Ian P.
dc.date.accessioned2016-08-03T08:48:09Z
dc.date.available2016-08-03T08:48:09Z
dc.date.issued2016-05-03
dc.description.abstractThis paper describes the development and application of IMPT (Integrated Model for Pesticide Transport), a parameter-efficient tool for predicting diffuse-source pesticide concentrations in surface waters used for drinking water supply. The model was applied to a small UK headwater catchment with high frequency (8 h) pesticide monitoring data and to five larger catchments (479–1653 km2) with sampling approximately every 14 days. Model performance was good for predictions of both flow (Nash Sutcliffe Efficiency generally > 0.59 and PBIAS < 10%) and pesticide concentrations, although low sampling frequency in the larger catchments is likely to mask the true episodic nature of exposure. The computational efficiency of the model, along with the fact that most of its parameters can be derived from existing national soil property data mean that it can be used to rapidly predict pesticide exposure in multiple surface water resources to support operational and strategic risk assessments.en_UK
dc.identifier.citationS.P. Pullan, M.J. Whelan, J. Rettino, K. Filby, S. Eyre, I.P. Holman, Development and application of a catchment scale pesticide fate and transport model for use in drinking water risk assessment, Science of The Total Environment, Volumes 563–564, 1 September 2016, pp434-447en_UK
dc.identifier.issn0048-9697
dc.identifier.urihttp://dx.doi.org/10.1016/j.scitotenv.2016.04.135
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/10218
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectCatchment scale modelen_UK
dc.subjectParameter-efficienten_UK
dc.subjectDiffuse pesticide transferen_UK
dc.subjectDrainflowen_UK
dc.subjectDrinking water resourcesen_UK
dc.titleDevelopment and application of a catchment scale pesticide fate and transport model for use in drinking water risk assessmenten_UK
dc.typeArticleen_UK

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